docstr: Helper function to compute internal column names and types
docstr_tok: ["Helper","function","to","compute","internal","column","names","and","types"]
code: def compute_vals_types(df, column_names):
      """
      Helper function to compute internal column names and types
      """
      return {
          str(i): df[column_names[i]].dtype
          for i in range(len(column_names))
      }
  
file_path: cugraph/python/cugraph/cugraph/structure/number_map.py
imports: from collections.abc import Iterable
  import dask_cudf
  import numpy
  import cudf
  import warnings
label_desc: Use image node_id 2 for calling the NumberMap obj's underlying member method code with example usage: obj.compute_vals_types(df, column_names) and returns: unknown